Hottest Questions This Week

15

votes

4

answers

2k

views

How does ammonium nitrate explode on its own?

modified 1 hour ago Mathew Mahindaratne 22.9k

7

votes

2

answers

305

views

Why is the molar entropy of hexane lower than that of butane?

physical-chemistry phase hydrocarbons entropy

modified Jul 31 at 14:23 Rodrigo de Azevedo 1,280

5

votes

3

answers

345

views

Synthesing tetrahydropyran from ethylene oxide

organic-chemistry synthesis ethers

modified Aug 2 at 16:52 Mathew Mahindaratne 22.9k

3

votes

2

answers

210

views

Formation of toluene from (cyclobutane-1,2,3-triyl)trimethanol using conc. sulphuric acid

organic-chemistry reaction-mechanism aromatic-compounds alcohols

modified Jul 30 at 19:40 Faded Giant♦ 39.5k

9

votes

1

answer

206

views

Why do electron-rich aryl groups have greater migratory aptitudes?

organic-chemistry reaction-mechanism carbocation

modified Aug 1 at 18:00 orthocresol♦ 53.1k

4

votes

3

answers

157

views

Change in water vapor with change in pressure and volume

thermodynamics

modified 2 days ago Buck Thorn 12.4k

3

votes

1

answer

126

views

Regioselectivity in Electrophilic Aromatic Substitution of Pyrrole and Indole

heterocyclic-compounds electrophilic-substitution

modified Aug 1 at 17:23 orthocresol♦ 53.1k

2

votes

2

answers

92

views

What is the mechanism for this intramolecular SN1 reaction?

organic-chemistry reaction-mechanism molecular-structure nucleophilic-substitution

modified yesterday Karsten Theis 18.6k

2

votes

1

answer

158

views

The color of the most sulfides of p- and d-block elements

inorganic-chemistry color

modified 15 hours ago andselisk♦ 30.1k

3

votes

3

answers

132

views

ʟ-Glutamine solubility in hot water

solubility amino-acids

modified 23 hours ago Mathew Mahindaratne 22.9k

6

votes

1

answer

124

views

Name of this bond-line formula? [closed]

organic-chemistry structural-formula identification

modified 2 days ago Faded Giant♦ 39.5k

2

votes

1

answer

87

views

Regioselectivity in coupling reactions of α-naphthol

organic-chemistry reaction-mechanism amines regioselectivity

modified Jul 31 at 17:05 Mathew Mahindaratne 22.9k

1

vote

1

answer

85

views

What is the molecular weight of bilirubin?

organic-chemistry

modified Jul 30 at 5:08 theorist 5,424

3

votes

1

answer

73

views

Comparison of carbocation stability in bicyclo compounds

aromatic-compounds stability resonance carbocation

modified Jul 31 at 16:15 Yusuf Hasan 2,326

2

votes

1

answer

102

views

Aromaticity of Borazole

organic-chemistry aromatic-compounds electrophilic-substitution boron-family

modified 7 hours ago Oscar Lanzi 24.9k

5

votes

1

answer

87

views

Can I use potassium acetate instead of potassium carbonate?

organic-chemistry reaction-mechanism

answered yesterday Buttonwood 13.9k

4

votes

1

answer

151

views

Is hybridization of the cyclopropyl anion sp5?

organic-chemistry molecular-structure hybridization

modified 2 days ago ron 76.8k

0

votes

2

answers

124

views

Determination of percentage of Methanol in an Alcohol based hand sanitiser [closed]

concentration safety

modified Aug 2 at 16:10 AJKOER 2,570

1

vote

2

answers

56

views

Can I use calcium chloride instead of sodium sulfate as drying agent?

organic-chemistry

answered yesterday Anonymous 41

1

vote

1

answer

75

views

Can you measure an IR spectrum of a sample inside a glass vial?

spectroscopy ir-spectroscopy glass raman

answered Aug 2 at 17:49 M. Farooq 16.9k

0

votes

1

answer

58

views

A theoretical chemistry question about elements and their presence over time [closed]

physical-chemistry elements history-of-chemistry astrochemistry

answered Aug 2 at 18:51 Andrew 4,826

0

votes

2

answers

57

views

rate of reaction and RDS

physical-chemistry kinetics

modified 23 hours ago Zhe 14.6k

2

votes

1

answer

70

views

Reaction of carboxylic acid with phosphorus trichloride

organic-chemistry reaction-mechanism carbonyl-compounds

answered Aug 1 at 9:34 Nilay Ghosh 16.1k

-2

votes

2

answers

68

views

How do you know what elements will bond in a reaction?

bond energy reactivity elements electronegativity

modified yesterday Buck Thorn 12.4k

1

vote

1

answer

49

views

Change in internal energy for isothermal process

thermodynamics

answered Aug 1 at 12:16 Chet Miller 8,856

-2

votes

0

answers

131

views

Oxidation using chromium trioxide [closed]

organic-chemistry alcohols hybridization organic-oxidation

modified Aug 2 at 8:50 Faded Giant♦ 39.5k

3

votes

0

answers

125

views

Number of moles of acidified potassium dichromate required to liberate 6 moles of iodine from an aqueous solution of iodate ions

physical-chemistry redox aqueous-solution stoichiometry

modified Aug 1 at 15:49 sai-kartik 147

0

votes

1

answer

57

views

How to get or understand a sample in chemistry without knowing its chemical name or compound or formula [closed]

organic-chemistry inorganic-chemistry experimental-chemistry

modified 5 hours ago Dheeraj Mundayur 17

1

vote

1

answer

54

views

Interpretation of Orbital data as provided

bond hybridization vsepr-theory boron-family

answered Aug 1 at 18:50 Andrew 4,826

0

votes

2

answers

31

views

Choise of solvent for extraction

organic-chemistry solvents extraction

modified 2 hours ago Waylander 12k

1

vote

2

answers

47

views

Order of rate of acid catalysed dehydration of alcohols

organic-chemistry stability carbocation elimination

answered 2 days ago Nyx_Valatoria 11

1

vote

2

answers

36

views

Aspartic acid conjugate base acidity

organic-chemistry acid-base bond molecular-structure amino-acids

answered 2 days ago Mathew Mahindaratne 22.9k

0

votes

1

answer

57

views

Why sugar solution/sugarcane juice becomes sour when kept for certain time?

acid-base solutions

modified Jul 31 at 6:43 Harish Chandra Rajpoot 221

-1

votes

2

answers

55

views

why does the partial pressure not change?

equilibrium gas-phase-chemistry

answered 5 hours ago James Gaidis 6,257

-2

votes

2

answers

42

views

Do reactions necessarily need to be redox in order to occur?

redox

answered 2 days ago orthocresol♦ 53.1k

0

votes

1

answer

69

views

Huckel's rule and aromaticity

organic-chemistry

modified 2 hours ago Buttonwood 13.9k

-2

votes

1

answer

39

views

what is the graphic difference between ionic and covalent bonds?

bond

answered 2 days ago Buttonwood 13.9k

0

votes

1

answer

48

views

Which one of the two is the stronger base: methoxide ion or hydroxide ion? [duplicate]

ph

modified 5 hours ago DatBoi 39

2

votes

0

answers

72

views

+50

Intuitive Explanation for why more negative charge on ligand does not imply more splitting effect?

coordination-compounds molecular-orbital-theory crystal-field-theory ligand-field-theory

modified Aug 2 at 5:39 FoundABetterName 89

-1

votes

1

answer

42

views

How to obtain optically pure mixture from racemic mixture

stereochemistry extraction

modified Aug 2 at 7:05 Thulashitharan 109

0

votes

1

answer

53

views

What exactly is lattice energy

ionic-compounds ionization-energy electron-affinity

modified 8 hours ago Poutnik 11.9k

2

votes

1

answer

40

views

Why is PLGA so expensive in comparison to PLA?

biochemistry chemical-biology

answered yesterday Mathew Mahindaratne 22.9k

-2

votes

1

answer

65

views

Ice geometrical shapes [duplicate]

water solid-state-chemistry

modified Jul 30 at 16:46 andselisk♦ 30.1k

1

vote

0

answers

65

views

Pyridine synthesis by tin(II) chloride reduction of 5-nitronorbornene

organic-chemistry reaction-mechanism heterocyclic-compounds

modified yesterday orthocresol♦ 53.1k

0

votes

0

answers

63

views

Relations between different types of conformers [closed]

organic-chemistry molecular-structure conformers

modified Jul 31 at 8:24 Mathew Mahindaratne 22.9k

-1

votes

0

answers

63

views

How many colors does human blood have? [closed]

coordination-compounds color

modified yesterday Safdar 1,758

0

votes

1

answer

38

views

Comparison of basicity of o-phenanthroline and ammonia

organic-chemistry acid-base

answered Jul 30 at 21:54 Mathew Mahindaratne 22.9k

-1

votes

0

answers

61

views

Is nitrogen a stereocenter in amides? [closed]

organic-chemistry stereochemistry chirality

modified yesterday yukelid 19

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